#pragma once
#include"staff.h"
#include<vector>
#include<fstream>
using namespace std;
class Manager
{
	vector<Staff>m_staffs;
	double ave, cha;
public:
	void loadfile();
	void showall();
	void insert(int i,  const Staff& s)
	{
		m_staffs.insert(m_staffs.begin() + i, s);
	}
	/*double sum_ave(m_staffs);*/
	
};